#!/bin/sh
# PCP QA Test No. 886
# Verify /proc/interrupts parsing for various architectures.
#
# Copyright (c) 2016,2019 Red Hat.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

[ $PCP_PLATFORM = linux ] || _notrun "Linux interrupts test, only works with Linux"

# expected output is very large, compressed to save space in repo
$sudo rm -f $seq.out
bunzip2 < $seq.out.bz2 > $seq.out

status=1	# failure is the default!
$sudo rm -rf $tmp.* $seq.full

_cleanup()
{
    cd $here
    [ -f $PCP_VAR_DIR/config/pmda/$domain.26.$seq ] && \
	_restore_config $PCP_VAR_DIR/config/pmda/$domain.26
    [ -f $PCP_VAR_DIR/config/pmda/$domain.27.$seq ] && \
	_restore_config $PCP_VAR_DIR/config/pmda/$domain.27
    rm -rf $tmp.*
}

trap "_cleanup; exit \$status" 0 1 2 3 15

_unpack()
{
    qafile=$1
    target=$2
    suffix=`echo "$file" | sed 's/.*\.//'`

    if [ "$suffix" = "bz2" ]
    then
	bunzip2 < "$qafile" > "$target"
    elif [ "$suffix" = "gz" ]
    then
	gunzip < "$qafile" > "$target"
    else
	cp "$qafile" "$target"
    fi
}

# real QA test starts here
root=$tmp.root
export LINUX_STATSPATH=$root
pmda=$PCP_PMDAS_DIR/linux/pmda_linux.so,linux_init
interrupts=`echo $here/linux/interrupts-* | LC_COLLATE=POSIX sort`
softirqs=`echo $here/linux/softirqs-* | LC_COLLATE=POSIX sort`

# override the default contents of PMDA cache files
# (do not want localhost versions to be used here).
#
domain=60
[ -f $PCP_VAR_DIR/config/pmda/$domain.26 ] && \
    _save_config $PCP_VAR_DIR/config/pmda/$domain.26
$sudo rm -f $PCP_VAR_DIR/config/pmda/$domain.26
[ -f $PCP_VAR_DIR/config/pmda/$domain.27 ] && \
    _save_config $PCP_VAR_DIR/config/pmda/$domain.27
$sudo rm -f $PCP_VAR_DIR/config/pmda/$domain.27

for file in $interrupts
do
    rm -fr $root
    mkdir -p $root/proc || _fail "root in use when processing $file"

    _unpack $file $root/proc/interrupts
    base=`basename $file`
    ncpu=`echo $base | sed -e 's/.*-\([0-9][0-9]*\)cpu-.*/\1/'`
    _make_proc_stat $root/proc/stat $ncpu
    export LINUX_NCPUS=$ncpu

    echo "== Checking interrupts metrics from $base ($ncpu CPU)"
    pminfo -f -L -K clear -K add,$domain,$pmda kernel.percpu.intr kernel.percpu.interrupts
    echo && echo "== done" && echo
    echo "== Checking interrupts helptext from $base ($ncpu CPU)"
    pminfo -tT -L -K clear -K add,$domain,$pmda kernel.percpu.intr kernel.percpu.interrupts
    echo && echo "== done" && echo
    cd $here
done

for file in $softirqs
do
    rm -fr $root
    mkdir -p $root/proc || _fail "root in use when processing $file"

    _unpack $file $root/proc/softirqs
    base=`basename $file`
    ncpu=`echo $base | sed -e 's/.*-\([0-9][0-9]*\)cpu-.*/\1/'`
    _make_proc_stat $root/proc/stat $ncpu
    export LINUX_NCPUS=$ncpu

    echo "== Checking softirqs metrics from $base ($ncpu CPU)"
    pminfo -f -L -K clear -K add,$domain,$pmda kernel.percpu.softirqs
    echo && echo "== done" && echo
    cd $here
done

# success, all done
status=0
exit
